Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 28, NWS St. Louis, MO

October 24, 2021Iron County, Madison County, Reynolds County, Missouri

NWS St. Louis, MO issued this tornado warning at Oct 24, 2021, 8:23 PM CDT for Iron County, Madison County, Reynolds County, Missouri. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 24, 2021, 8:23 PM CDT (01:23 UTC)
Expired
Oct 24, 2021, 9:15 PM CDT
In force
52 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Iron County, MO, Madison County, MO, Reynolds County, MO

The radar

The St Louis radar (KLSX), 152 km from the middle of the area, began a volume at 01:25 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Oct 24, 2:06 PM CDTTornado WatchSPC9 hr
Oct 24, 5:44 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.4 hours before the alert went out and 271 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2021-10-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1534 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2021-10-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 296 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1534 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
846 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
296 m²/s²
0-3 km storm-relative helicity
317 m²/s²
Significant tornado parameter
2.8
Supercell composite
12.3

Open this sounding in Storm Lab

The text

As transmitted.

443 
WFUS53 KLSX 250123
TORLSX
MOC093-123-179-250215-
/O.NEW.KLSX.TO.W.0028.211025T0123Z-211025T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
823 PM CDT Sun Oct 24 2021

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Southeastern Iron County in southeastern Missouri...
  Southeastern Reynolds County in southeastern Missouri...
  Southwestern Madison County in southeastern Missouri...

* Until 915 PM CDT.
    
* At 823 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Ellington, moving northeast at 45 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Annapolis.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3717 9098 3732 9108 3740 9088 3733 9082
      3753 9043 3742 9034
TIME...MOT...LOC 0123Z 240DEG 38KT 3729 9095 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Glass
2 follow-up statements
235 
WWUS53 KLSX 250130
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
830 PM CDT Sun Oct 24 2021

MOC093-123-179-250215-
/O.CON.KLSX.TO.W.0028.000000T0000Z-211025T0215Z/
Iron MO-Reynolds MO-Madison MO-
830 PM CDT Sun Oct 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
SOUTHEASTERN IRON...EAST CENTRAL REYNOLDS AND SOUTHWESTERN MADISON
COUNTIES IN SOUTHEASTERN MISSOURI...
    
At 830 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles northeast of Ellington, moving northeast at 40
mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Annapolis, Redford and Vulcan. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3721 9089 3735 9100 3740 9088 3733 9082
      3753 9043 3742 9034
TIME...MOT...LOC 0130Z 239DEG 37KT 3732 9089 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Glass
469 
WWUS53 KLSX 250151
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
851 PM CDT Sun Oct 24 2021

MOC179-250201-
/O.CAN.KLSX.TO.W.0028.000000T0000Z-211025T0215Z/
Reynolds MO-
851 PM CDT Sun Oct 24 2021

...THE TORNADO WARNING FOR EAST CENTRAL REYNOLDS COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM CDT for southeastern
Missouri. A Tornado Watch also remains in effect until 100 AM CDT for
southeastern Missouri.

LAT...LON 3737 9075 3753 9043 3742 9034 3727 9073
      3727 9075
TIME...MOT...LOC 0151Z 248DEG 31KT 3739 9067 

$$

MOC093-123-250215-
/O.CON.KLSX.TO.W.0028.000000T0000Z-211025T0215Z/
Iron MO-Madison MO-
851 PM CDT Sun Oct 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
SOUTHEASTERN IRON AND SOUTHWESTERN MADISON COUNTIES IN SOUTHEASTERN
MISSOURI...
    
At 851 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Annapolis, moving east at 35 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Annapolis and Vulcan. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3737 9075 3753 9043 3742 9034 3727 9073
      3727 9075
TIME...MOT...LOC 0151Z 248DEG 31KT 3739 9067 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Glass

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 24, 7:00 PM CDTSevere Thunderstorm WarningLSXPike34 min
Oct 24, 7:03 PM CDTSevere Thunderstorm WarningLSXLincoln, Montgomery, Warren42 min
Oct 24, 7:06 PM CDTTornado WarningLSXReynolds39 min
Oct 24, 7:07 PM CDTSevere Thunderstorm WarningLSXCallaway, Franklin, Gasconade, Montgomery, Osage, Warren38 min
Oct 24, 7:09 PM CDTTornado WarningLSXCrawford, Iron, Washington31 min
Oct 24, 7:37 PM CDTSevere Thunderstorm WarningLSXReynolds38 min
Oct 24, 7:39 PM CDTSevere Thunderstorm WarningLSXJefferson, Sainte Genevieve, Saint Francois, Washington51 min
Oct 24, 7:48 PM CDTTornado WarningLSXIron, Madison, Reynolds, Saint Francois27 min
Oct 24, 8:03 PM CDTTornado WarningLSXSainte Genevieve, Saint Francois42 min
Oct 24, 8:09 PM CDTTornado WarningLSXSainte Genevieve, Saint Francois40 min
Oct 24, 8:10 PM CDTTornado WarningLSXIron, Madison, Reynolds50 min
Oct 24, 8:34 PM CDTTornado Warning Tornado observedConsiderable damage threatLSXSainte Genevieve41 min
Oct 24, 8:48 PM CDTTornado Warning Tornado observedConsiderable damage threatLSXMadison, Saint Francois27 min
Oct 24, 9:08 PM CDTSevere Thunderstorm WarningLSXJefferson, Saint Louis54 min
Oct 24, 9:11 PM CDTTornado WarningLSXIron, Madison49 min
Oct 24, 9:12 PM CDTFlash Flood WarningLSXIron, Madison4 hr
Oct 24, 9:37 PM CDTSevere Thunderstorm WarningLSXIron, Reynolds36 min
Oct 24, 10:07 PM CDTSevere Thunderstorm WarningLSXIron, Reynolds38 min
Oct 24, 10:12 PM CDTFlash Flood WarningLSXMadison4 hr

Nearby

Tornado Warnings in Missouri, 2021Every tornado warning in 2021Tornadoes in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.